Tokyo Population 2024 Impact On Society. More than 1 in 10 people in japan are now aged 80 or older, and the country consistently rates as having the world's oldest population. Policy should now focus on ensuring fiscal sustainability, boosting productivity growth, and addressing the economic and social impacts of rapid population ageing.

More than 1 in 10 people in japan are now aged 80 or older, and the country consistently rates as having the world’s oldest population. In 2018, net inflow to the greater tokyo area (tokyo, chiba, kanagawa, saitama prefectures) reached 136,000 people, boosting the already massive population.